Nowadays people take___ exercise a day as they did in the past because of widely used automobiles.
| A．less than half | B．less than as half as |
| C．less than half as much | D．half less than |
34. ---I heard you almost missed the train.
---Yes. I got to the railway station with only five minutes to_______.
| A．leave | B．make | C．catch | D．Spare |
33. Being able to speak another language fluently is a great_______when you're looking for a job.
| A．chance | B．success | C．interest | D．Advantage |
32. Alice’s father always brings her a nice gift_______he returns home from his business trip.
| A．by the time | B．all the time | C．every time | D．in the time |
31. All his attention______on the computer game, so he even didn't notice his mother enter the room.
| A．has been fixed | B．was fixing | C．was fixed | D．Fixed |
30. The No. 5 subway line, ______in October, 2007, has greatly improved the traffic conditions in Beijing.
| A．opened | B．was opened | C．being opened | D．to be opened |